12205322314531 has 8 divisors (see below), whose sum is σ = 12252004427520. Its totient is φ = 12158642278152.

The previous prime is 12205322314463. The next prime is 12205322314573. The reversal of 12205322314531 is 13541322350221.

12205322314531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12205322314531 - 2⁹ = 12205322314019 is a prime.

It is a super-2 number, since 2×12205322314531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12205322314631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11817786 + ... + 12809008.

It is an arithmetic number, because the mean of its divisors is an integer number (1531500553440).

Almost surely, 2^{12205322314531} is an apocalyptic number.

12205322314531 is a deficient number, since it is larger than the sum of its proper divisors (46682112989).

12205322314531 is an equidigital number, since it uses as much as digits as its factorization.

12205322314531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038305.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 12205322314531 its reverse (13541322350221), we get a palindrome (25746644664752).

The spelling of 12205322314531 in words is "twelve trillion, two hundred five billion, three hundred twenty-two million, three hundred fourteen thousand, five hundred thirty-one".